TY  - JOUR
AU  - Abe, Tetsuya
AU  - Tagami, Keiji
TI  - Characterization of Positive Links and the s-invariant for Links
JO  - Canadian journal of mathematics
PY  - 2017
SP  - 1201
EP  - 1218
VL  - 69
IS  - 6
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-2016-030-7/
DO  - 10.4153/CJM-2016-030-7
ID  - 10_4153_CJM_2016_030_7
ER  -